Floor-polishing attachment for vacuum cleaners



MQWZQ, H923., 1,650,660

" F. l. SIMPSON FLOOR FOLISHING ATTACHMENT FOR VACUUM CLEANERS l Filed May 25, 192s K I m geg-gg gMVQH tot .reference numerals indicate like Patented Nov. 2 9, 1927.

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NT41 OFFICE.

FRANK I. SIMPSON, OE ROCHESTER. NEW YORK, ASSIGNOR, BY DIRECT ANnMEsNE ASSIGNMENTS, To EIT-ALL FLOOR PQLISHING ATTACHMENT oo., INC., OE :ROCHES- TER, NEW Yonne COREORATION OF NEW YORK.

FLOOR-PDLISHING ATTACHMENT FOR VACUUM fQLEANERS..

Application med may 25,

y The object of this'inventionis provide a new and improved attachment for vacuum cleaners by 'means of which the vacuum cleanerfcan also be used for polishing floors. Y

Th1s and other objects of this invention willbe fully illustrated in the drawings, described in the specification and pointed out in the claims at the' end thereof. l

In the accompanying drawings:`

'Figure l is'v a top plan View of a vacuum cleaner with one form of the polishing attachment connected thereto.

Figure 2 is a side elevationof the vacuum cleaner and polishing attachment illustrated in Figure l, the vacuum cleaner being partly roken away to illustrate vthe driving`connection between' the vacuum cleaner and polishing attachment andthe polishin attachment being partly broken away and illustrated in section to illustrate the detail construction thereof.

Figure 3 is a side elevation of the vacuum cleaner with a modified formof the polishing attachment connectedthereto, the polishing attachment being illustrated in section. f

In the Several figures of the drawings like parts.

attachment forming the my plresent invention is an e attachment illus- The polishing subject matter of efficient in its work.

In Fi ures l, 2 and 3 I the polis a certain typeA of vacuum cleaner. In order to make the attachment applicable to this type of vacuum cleaner the driving mechamode of application is In this type of vacuhave illustrated tical shaft 55.

fand 62 by means of suitable ing attachment in connection withA 1.826. Serial No. 111,653.

connection between the shaft armature shaft num cleaner.

andv the ca rrymg the fanof the vac- This sliding connection is thus Ashaft is mounted to rotate in the ing 52Qand worm 53. his worm mesheswith the worm wheel 54 keyed tothe upper end of the ver- The shaft rotates insuitable bearings in downwardly therefrom and has the polishing disc 56 attached thereto. This is done y means of a flexible coupling comprising the sleeve 5.7 to which is fastened the flexible member 58. The flexible member in turn is the top of the sleeve 57 and serves to yieldingly hold the polishing disc in contact with the floor.

The gear housing 52 is supported on the vacuum cleaner housing by means of the bracket 60 which is clamped to the lugs 61 bolts and thumb e free end of .this bracket is engages the edge of the opening 67 provided in the vacuum cleaner casing. is'firmly fastened of the set screw 68.-

The polishing 1 and 2 is provided with a set of three brushes which .are suitably fastened to the under side of the disc and suitably spaced thereon.

In the modification 3 the gear housing 70 is provided.` This housing is detachably fastened into the opening 71 of the vacuum cleaner housing and in it are mounted a pair of bevel gears gear hous-` carries the forward end of the the gear housing 52 and extends Oor irrespective Ofthev the vertical shaft 55.

disc illustrated in Figures f illustrated in Figure to this edge by means v 72 and 73 which mesh with each other. The bevel pinion 73 is carried on the end of the shaft 74 which is provided at its inner end with a slip joint and universal coupling 75 with which the shaft 7 4 is attached to the end of the armature shaft. The bevel pinion 72 is carried on the end of the shaft 76 and projects upwardly in the gear housing.V At the upper end the small pulley 77 is Iteyed to this shaft.

The polishing disc 78 of this attachment is supported at the lower end of the vertical shaft 7 9 being connected thereto by means of the spring coupling 80. The vertical shaft is mounted to rotate in the sleeve 81 which is supported from the gear housing 70 by means of the brace or arm 82. This brace is attached and clamped to the sleeve and gear housing by means of suitable clamping bolts which pass through the ends of the brace and engage suitable lugs provided on the sleeve and gear housing.

The upper end of the vertical shaft 79 has the larve pulley 83 keyed to the upper end thereo and the belt pulley and the pulley 77 and drives the polishing disck through the gearingl provided on the vacuum cleaner' housing.

To the lowerend of the vertical shaft 79 is also keyed or otherwise suitably fastened the flanged sleeve 85. Studs 86, 86 pass through openings in the flange of this sleeve and are threaded into the top of the polishing disc. This connection between the pol` ishing disc in conjunction with the spring coupling provides flexibility in the driving connection between the polishing disc and the shaft and allows the disc to adjust itself to the level of the floor at all times.

I claim:

1. In a. polishing attachment for a vacuum cleaner having an electric motor and a motor 84 passes over this v shaft, the combination bf a polishing disc: a drivingshaft connected osaid polishlng disc and drivenby said moto shaft, a supporting bearing for said drivin shaft, a supporting arm connecting said sup orting bearing with the vacuum cleaner, a brace attached to the vacuum cleaner and supporting said supporting arm 'and connecting means carrie by sai driving shaft and adapted to slidably engage said motor shaft.

2. In a polishing attachment for a vacuum cleaner having a motorshaft, the combination of a polishingy disc, means for mounting said disc on the front portion of the vacuum cleaner, an upwardly projecting shaft on said polishinggdisc, driving means for said shaft including a member connected with the motor shaft of the vacuuin cleaner by a sliding engagement therewith, a flexible connection between said vertical shaft and said polishing disc to keep said polishing, disc in constant contact with the oor irrespective of the position of the vac umn cleaner.

3. In a polishing attachment for a vacuum cleanery having a fan shaft for operating the fan of the vacuum cleaner, the combination of a horizontal bracket, means for clamping one end of said bracket to the vacuum cleaner, a horizontal drive shaft carried by said bracket, connecting means carried by said drive shaft and adapted to slidably engage said fan shaft, a vertical bearing supported on the other end of said horizontal bracket, a vertical shaft mounted to rotate in said vertical bearing and driven by said first named shaft, a universal joint on the lower end of said vertical shaft, and a polishing disc connected to said universal joint. i

In testimony whereof I aix my signature.

" raamt 1. SIMPSON. 

